31723020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1481}}^1$

素因数の和:1520

約数の個数: 144

約数和(自身を含む): 116520768

約数和(自身を除く): 84797748

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1481, 1530, 1785, 2142, 2380, 2962, 3060, 3570, 4284, 4443, 5355, 5924, 7140, 7405, 8886, 10367, 10710, 13329, 14810, 17772, 20734, 21420, 22215, 25177, 26658, 29620, 31101, 41468, 44430, 50354, 51835, 53316, 62202, 66645, 75531, 88860, 93303, 100708, 103670, 124404, 125885, 133290, 151062, 155505, 176239, 186606, 207340, 226593, 251770, 266580, 302124, 311010, 352478, 373212, 377655, 453186, 466515, 503540, 528717, 622020, 704956, 755310, 881195, 906372, 933030, 1057434, 1132965, 1510620, 1586151, 1762390, 1866060, 2114868, 2265930, 2643585, 3172302, 3524780, 4531860, 5287170, 6344604, 7930755, 10574340, 15861510, 31723020]

約数ペア:

[(1, 31723020), (2, 15861510), (3, 10574340), (4, 7930755), (5, 6344604), (6, 5287170), (7, 4531860), (9, 3524780), (10, 3172302), (12, 2643585), (14, 2265930), (15, 2114868), (17, 1866060), (18, 1762390), (20, 1586151), (21, 1510620), (28, 1132965), (30, 1057434), (34, 933030), (35, 906372), (36, 881195), (42, 755310), (45, 704956), (51, 622020), (60, 528717), (63, 503540), (68, 466515), (70, 453186), (84, 377655), (85, 373212), (90, 352478), (102, 311010), (105, 302124), (119, 266580), (126, 251770), (140, 226593), (153, 207340), (170, 186606), (180, 176239), (204, 155505), (210, 151062), (238, 133290), (252, 125885), (255, 124404), (306, 103670), (315, 100708), (340, 93303), (357, 88860), (420, 75531), (476, 66645), (510, 62202), (595, 53316), (612, 51835), (630, 50354), (714, 44430), (765, 41468), (1020, 31101), (1071, 29620), (1190, 26658), (1260, 25177), (1428, 22215), (1481, 21420), (1530, 20734), (1785, 17772), (2142, 14810), (2380, 13329), (2962, 10710), (3060, 10367), (3570, 8886), (4284, 7405), (4443, 7140), (5355, 5924)]